<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <input type="button" value="打开我的窗口" onclick="openWin()" />
    <script>
        function openWin() {
            myWindow = window.open('', '', 'width=200,height=100');
            myWindow.document.write("<p>这是我的窗口</p>");
            myWindow.focus();
            myWindow.opener.document.write("<p>这个是源窗口!</p>");
        }
    </script>
</body>

</html>